{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x89f3e91ceb037e3c5695949b380d6fc14ccdb21419ad379fa909e5ca051c8be4",
    "signature": "0x85f92d18dce0dc8eee26cd97d43e2eeeb82ae51ed6f57f08f79702517b9160a74e4f1b9ecae8e29b37e8dcf18688b58f6299532c3e6c0a8393186261510e20311c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}