{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1786871",
    "entityType": "User",
    "nonce": "0xce222a5d210020a1574e20443e3d2f06e738ebb03ce8571a2e5c428ee7500ddf",
    "signature": "0xd7e370b5bdfc82e7543e0fc43c9db012924496728f1486c4258d9e35bedd62835929e3a901a467faaf7e63178ffa92a48d5964b31f1b23a702ce547f25fb497f1c",
    "signer": "0xb4E91a4b8675eF44C7E5706c7847AB5E19bf8Cae",
    "userId": "778921527"
  }
}