{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x4a161edef971c06fe8ec87aa26f7135478ee56414895702307dc949790f2e130",
    "signature": "0x08f6a705062f62e8021b5e725c42f325f18c3240bfc0e53bc7d7dcef0f92be122247f0d4dd3a7a223cf6f9a845baa25521f7724d7319dee755e4ac56a4ed00d01b",
    "signer": "0x4affB179527ee604CBCCb000A6fB3E5563330F2e",
    "userId": "265097712"
  }
}