{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xbba77fa1c1729a59db6a94389eaa97d193d787ae7af69d31efae820aa1e23b82",
    "signature": "0x047a123d2a6fa5f8b54903717aa1d1679192e9df8f853c5b0424d5b5d534dde84309c60744dd7c8ca3a1d38c23079f3e4455296405f55c58a0aba0ce0e32b9511b",
    "signer": "0x1e9F846fdf1a89ba11e2D67fb4831B7E14ae8940",
    "userId": "617992566"
  }
}