{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x31b34783f68e0efbe5a382d941dcd36b72e385c099a65860d6b49b3ceedfb300",
    "signature": "0xf38056814f856c6c040e947d178821fd0b2f2ecbb1886d26bdce63ff2af20ab621e4d223364d91c437ddc68a0f485842d350f27d9a24a7010f02fce779b7dd3f1c",
    "signer": "0x53adF2804c4b0caF62EE0Cb2f679c7e108930bC5",
    "userId": "806027782"
  }
}