{
  "manageEntity": {
    "action": "Repost",
    "entityId": "856771",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x54cc95826a8f3b195dce19d881783deb9bb93033ab2ddd77f7e500e7c1907dee",
    "signature": "0xc318a9c54c79bd053b03dba1a8a3f176f7f3a42f34e44a249cecfbc547319946348ab0132c23a8313eac54526cb97eb84448a364e9d3edbef3a2e624c1d007df1b",
    "signer": "0xd866583Cc72949d3E081A6cA6DE302e480dFc4C2",
    "userId": "919362843"
  }
}