{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35495",
    "entityType": "User",
    "nonce": "0xba921f4d9ad2549b49b521731573356ff71e7c2e8738ffe30bc646ff9d9c8e67",
    "signature": "0xeb0f9025d96f4405c51057d850e00e2dccc8f83a474c0740d618be2c438f869a7670ff3b864ab7420f1ffc73e22ca08432a92ef3787f9c92c82b63704d4517a41b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}