{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd5d127e48a0f9e8cbb5e7267866d4bbd7661113a16822e5c3785686a2a95cf5d",
    "signature": "0xde4778c0d0fa63935a4f04687bc120d6d6eb20720fed15d4a4f9ad88b2bc24171f493a57f4a707a51352c452ddedba234cdccfb7ff14f78758b0bc04929e39201b",
    "signer": "0x9a7357063b22Fc98369F72A173b71dFD374eA7d6",
    "userId": "464720762"
  }
}