{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190351",
    "entityType": "User",
    "nonce": "0xd1a1226088d5c82f6596607ed456f45afa060f72ceba46c40cee17a207176705",
    "signature": "0x8b63b085d9ee91bfb1bd06f17cf06cc753f07a8b26e256fbb6916760b743ca655fdb0032617ac1a7569b217ee9293b07b02586d784ce4629198868f03978ebfc1b",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}