{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1970be0584351f078d8150aaa10a682d7c14ec109a10c4797109597fe7aa24db",
    "signature": "0x4b20859a1d57d6b8bccc21cf7256a4b38cd26c4f35f6f5af2b65cb40f1fb9805055b7930d40641063603e9deca2a7a613b2c398034434a3ebc504647d8f11dc11c",
    "signer": "0x0BBA3A6ACBEB3CCfE651b7Bf612348bcb7fd06b9",
    "userId": "826142392"
  }
}