{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74761",
    "entityType": "User",
    "nonce": "0x1d63366ad5ffc30bd31552f5ea75d0d4203ea3c17585a209e776ea513f1c0617",
    "signature": "0xcd127a1cdb96d16d53a333460eca3c01b1dd3214cc41cbd247bfe1189df839432b7b24c1c3ec121a52fe5c69e761531854fc0e4093768393bb39331efe15d21b1c",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}