{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895209133",
    "entityType": "User",
    "nonce": "0xfb21e7a5d88d2106442cf6dfa07092583b230ae86a35405c2ece4b5aaf969b88",
    "signature": "0xc9346a36fe40a255469db86128c08a5dfdc07a1fa322adec3e1ccd006c18a8074bb1259badd4d43f9ef97070c1d8af2bc92a764106ddb36237b420a15555ba5b1b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}