{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9556ac2caaa6090afa5b66319fa949abf3c393a837b8df314499ce4d281bbfd4",
    "signature": "0x70f737615521c95234141aabd4bde48c6471553a155b669563659f3f8f61822b572712449187c96e5a7207c6b7ad6cf9db94451c6a61020aa2e3554d4305eec91b",
    "signer": "0xae0B6069Fe929B7b2202eD963560EF31012Ee7dE",
    "userId": "85798013"
  }
}