{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102202598",
    "entityType": "User",
    "nonce": "0xfa850a00694fa8bcc34478cccdd780db86afc0278349b9def6d38e57dcb798ff",
    "signature": "0x76b738969cdc2885a621bbcd117d999924c8a4fb48cdf24d82b7d2de1edd6ee7517fad64023724db7ae3bf739c16031c8dcf65754e0cea94f407f5aa98c72d331c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}