{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x77da77f4cc9faebfae2f561fbedcd20186c73a9dd20f51c13b5890b1988071b4",
    "signature": "0x498f0eaf6429dd3228ef764cc1e8b09aaa8a5cc8efa96a857ec7cc35747d280107d5236bdab78b64b43539a691b7f4630edf03a0d6df2dbc0f6155b68f70bc531b",
    "signer": "0xc74a5C0B76bF95109EFE2119058182fD3D75EA63",
    "userId": "222972690"
  }
}