{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5a6129ae8e7b218c917391baef0068d890b280ef33f7e8d9ef0d66be063e18b4",
    "signature": "0xe04728f371aae80146a5b5434ced1b7fe4b415cd9655f45f9704d089f70d4b7b3bb8888f1265ee932eeb58f9e6ae87d42c8d7cdc5bad8493ebce9523f267bca61c",
    "signer": "0xEECc62AD75B06635D5D94CdAB575501Ff15f1038",
    "userId": "41205938"
  }
}