{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76657",
    "entityType": "User",
    "nonce": "0x019c6013df791a03735760d384a15ad80ccb0352b9ce6abdc920878cd47c9261",
    "signature": "0xa179d4aea59c36ef8191b6fdca4f9650ba52cec9071c494610255bcad23e709f25dfe8c76aa5051c96bd51873c1626b146243778eacde8ff653da1f727f3c6ff1c",
    "signer": "0xd648B38B61b65e4F8df57D4EE65560D8DaacFDb2",
    "userId": "277314120"
  }
}