{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "793663382",
    "entityType": "User",
    "nonce": "0x31ebfa6007e21d05ab5be9fbb5a49f77e255fcde0b23507c521dfe78c965377a",
    "signature": "0xe53d377cb86aac3abed01186e67301e951e603449785f286dbd79b9a7c854431619d0db308d4f5ccc9438024d87ef8ed25a530070ad9f16f711ebb125abd3d451b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}