{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101990",
    "entityType": "User",
    "nonce": "0xc9b10fd91ffe41581510e5cb4bf1e27dd9048fcbc020792df5bd3985f9b38bb5",
    "signature": "0xbb96292674b866cc465767f1c7fa8aa93650cf703749781321194590dc46ad7c3bea6dd7d0a0330727eee2fd2002f73b0dc89cd5f9d678f33d72e02982f27be91b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}