{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1343",
    "entityType": "User",
    "nonce": "0xbf60e37c2fb77cd58271b797baa0aa5c98e141aedc6950f37f026dbbda55f440",
    "signature": "0x84e14fa8c9c089fffdf75691cedc4dd62b8756d447f97dc452823b338dd83a4b2206ad42fb297300378f4b53bba49eeb33e4cedaa6d5e1dfae27a771a02beed21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}