{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdc98427bac55faaabc90cb699afed350a9c152ea66c3b162f241fbd04d58aed1",
    "signature": "0xc400574323141c3d6a40fca247abb094f5894ec5e29cfbb4f43f58fc66c816165f49b9f45e913b54f8e456922c78cecaa2c0954a4f3cd221ee782eea7047be7d1c",
    "signer": "0xDeE213Ef77A0E14AFfF1Db9109c5F64CC5858BDe",
    "userId": "830538576"
  }
}