{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xfa796d2503b9692c0cfe3cd090cb9267f07d503f21d7a6e1ab28b3b2717c27e9",
    "signature": "0xc3fb8ce8b4f0fa116870ddc8f86448c678fffb8b7db2ae4f617b591315abfeb95512b5bdcc78858cefdb6823c1c5d87581d61926c474a86845232fe8d4816bb31b",
    "signer": "0x887ff90b6e9a2F5c6Cf1E862028545C66FC95d72",
    "userId": "141224956"
  }
}