{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x06d4f44038947d424b91dc91dc8cfc52daa820e76aa0fa53f4447d7f1142d40a",
    "signature": "0x86adbab17c3162a46c8a4a3d12be5d965dd59e5d1c21676a0e6e1cee1f8f39fa62841603ceb5c07c4aeee74549e8d530107337c3ce9e660b89898c9fe67d34e51b",
    "signer": "0xa34F45b97b1216c16C293511203C91cE6b13e8aD",
    "userId": "86107540"
  }
}