{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0xa8abd1bac68134cc67da43bd285ebe3796be104913b2aa6a69114ca593242e55",
    "signature": "0x90827ea926ac6645a09effb24be7285898467a9d77790ea632a13d79632976a4138627c1c47f46a6340e488874a4ae38beb877211ad982f89dc9dfe851cf40f51b",
    "signer": "0xA8801c65Fb9C8F6e0bd56DBfc22cADBf2D4aD77A",
    "userId": "865218773"
  }
}