{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "477934274",
    "entityType": "User",
    "nonce": "0x2a7b52388276afdd9ada440e2f12bd370c7eb4b9a3d373ef5003a00dbcf0da74",
    "signature": "0x464b59142849a218abe09d9e5e4a7b556a4ed6c3513c885cfe18fd73e21340cf362ceba5b9dbfe05eef15edf44cf8025b23f284d36a48008a946d9bc3ad3ffaf1c",
    "signer": "0xe70262fceA7ac15aEce742465EB134d0435Eb0d4",
    "userId": "926812517"
  }
}