{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0x2a4fc9e45ba41d25f6114924b8b1fc76e0f8a6c78db181590cb520ab18206187",
    "signature": "0x517c7c974a5b7efa0d11d0a86591d00d12f8e6e8964768ed28698c5a00b40bb25ad2971c22187002b97c8e42717e1150a425762e80a4e8070a5c6a9959c909541b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}