{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "218560",
    "entityType": "User",
    "nonce": "0xd8dbd8f3ccc5bdae70079bf84a0147850c00bc55de1a2e834d921beefbcaa091",
    "signature": "0x8da34e34e90751f67aaf9fb74b29c74223a9c206b9b8523114a0b619630facbb6b7617c77790a1af1e88d378be2fee4adec133df86a4f85081ac1aa77f540cf01b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}