{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "771123224",
    "entityType": "User",
    "nonce": "0xcecae0c2a6581960c9312aa7904b228783861ba667c646ae6869be9d75b493cf",
    "signature": "0x6a58676560aab0da5a12471748acf83bac08543e8a0c9e4835b3d796a72d30ec0e0cf25b86c0f26d3c3c6dd6330f2b56adf487f785683f29d9a04f0bee8cd31e1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}