{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111467392",
    "entityType": "User",
    "nonce": "0x838c931abbbea9b60b23e72787045be98f3ac326ae5267c22d37e25477d05285",
    "signature": "0x91d2948ab976d42b57e973ed1da990634917b6b1f79aa6b0322aea7eaba3b1336f304cf4fc48de5469609f84bede6cd1519e7c49fc79b6e5b5a22e82781fc9f91c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}