{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64165",
    "entityType": "User",
    "nonce": "0x07bd1a17289d976bfee7174b6e9ae0ddfe59f2d17559075d2ce190246be05cd1",
    "signature": "0xb22157ecbf3a8847c7e3b7d5152a12bc43b4c631ac5ea1ded3c9e5ba721bc6f234f3f9cd174f49ec7933170edb60b76348799188dfbeeaa1007fc9cf211802681c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}