{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764242",
    "entityType": "User",
    "nonce": "0x5cb7312b5be906aa3745ce6c058bf0adbb2cc0811859b9dd60b03fe4811d853f",
    "signature": "0xdf64956c363814cfb642608f80a6c721074d10c1e9143242a6017452edaccd67041efebd192f144e5219b10435d19fdb6e43c9549c9a8051e79a59a56da0c2ff1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}