{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x090f96f46548022a5e1a67d810cdb3b85a3edf954970efa824dd20b2bee69a17",
    "signature": "0x34dd2476a9516f4af0c5e3d0ed960cb8e4adca224fe747c4ae39be497dbf84946f6db8cf95924aa249f32877322a273b8fbf22a5d73b152f8eba8fb32827ae411b",
    "signer": "0xce8922BCeB6356Bcf772BCb592290B731c4Dbf32",
    "userId": "322981683"
  }
}