{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x03c22b4a7964feef3156043fac7181f5a080a9e283d6835cf3eaef20de3f3472",
    "signature": "0x92c22e3cc54f8caa136433c97af66a750a0e0552c31f090ddfa2ed56372ae6f221cb17dd211236290d02916aaa46f9cf78a0cc5c8446cedc45eb748a0d2af8cf1b",
    "signer": "0xab4d5bCD8D724CfBbfE257dE9EB174c2f4673C44",
    "userId": "225853187"
  }
}