{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x303702cd922fad84c609fe609136f0457c0cd50101aea12ec215cdbce1bc80f8",
    "signature": "0xa4e3edf2afc8b170b5dd79388ab130a303fd1f8cca1701b4609d91722ffa86051743b1075bc7b382616126fa0f1c2a95b245a169b2170965bbc88a6c34b1777d1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}