{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2933",
    "entityType": "User",
    "nonce": "0x8056f20d5f9eb4afd8e569d58632a0538b3522b40969c46200d8af12fc161ba7",
    "signature": "0x563f0050a5c0dc32b16b6ed2f48d3a3f32b6c20085bace28f63e5143b2ce0c764bea6e364dc817f11f0d8afcb4ce517edd545646b27e11626b72580f25b664211b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}