{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0x39a68bfc3cf96abcf78249035d1d2bfdd27b874f54fc1f88d56521a6d9fc5cfb",
    "signature": "0x1d9567281a1b4182d17bdf05e14e027481a4265fc59609e4f5c67fe2279fd96236daaba19804e0a45c501e7610097b4eacc4f237144d223ddaffc504e75e05bb1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}