{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49485",
    "entityType": "User",
    "nonce": "0xc9d4458bf8d02da5bd1c3f637e9e36db5a422f224a723111ccc7237c736bdbf4",
    "signature": "0x4a7bba415a8ad69c53a7186490f550959d2343515645a38e9fef98591cbff5ff01dfbbfd424e193ce89b0e8a303bebb5bc215aea795f6bed61857afa55dacc131c",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}