{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319060",
    "entityType": "User",
    "nonce": "0x5c4b583032a863a47db9126622fa5b3e40a254b51e49e564920d0bc400f487d9",
    "signature": "0x80e2e1c514ae36fe883da97874c7625a725605715aed9eea81d27c923ae66eed3d756e4a0fc0108b4f8ac44263257c7169ea768c3aca9f6cd2f3ac56c9a5679a1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}