{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa5ca66e65200a7464391ea2dd51eaed4e7fc3a637de27b9c6de0b106f33cdd18",
    "signature": "0xeeaf8e82d838b1fa2a7340757ec725645ef9f1bb265bca326c57289b4a39c3241dad8b2e30e3aede808ff3383542acdaf5971d6c604a767e6e130b0b60364b831c",
    "signer": "0x7236f33AFc69e112EEadb51267423A33BaC3CbEC",
    "userId": "583435112"
  }
}