{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4686",
    "entityType": "User",
    "nonce": "0xc57ef5846c6959888e6b95917db9d4d5489f889c7fb1905d8ddf189ea94dfdd1",
    "signature": "0xaeeb3af0f720fe370f1da2ece2da6242d9df101b9c8d8282d04436bad75f71bb3ae8131cd05f77f00cf3651721ad9b3198cedc9b31823cbf06df426cabf91b781c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}