{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211024156",
    "entityType": "User",
    "nonce": "0xd25ead79f2521a20957ce12139dccaaee3ab6083418357c614591854fff71842",
    "signature": "0x5bf88f874bf6580afdc3c546592c7b6a05996b6ac258a8cccc39ad64fc950e6262d32006a3569460858bd23d0008bd90d9bfa8bdf6d27f47540ff8becc7e6f181c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}