{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xe7d9996606211651f7d5db1bc1cf268de81a16a9d4c2e8f9d7bc491bc9adfcc3",
    "signature": "0x507c479858042d25281243af0e7eb956561ba3700e79ad28722098c49aa11d9e3dc6d71b89b7243451582e731d4b12357c531b04cc60247db1a2ba342bbaec451c",
    "signer": "0xd73F9f774E8Cb98420d8FC9BF898407AeE7cb1Fb",
    "userId": "280382514"
  }
}