{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5716",
    "entityType": "User",
    "nonce": "0xfcca27e153c24dde6953f4a794ffc735a638a74a97bea6bcf896d0ebf281f3f9",
    "signature": "0xc20849e3e201f9ea21e898a8e9b9b4d5dd55aa4bbc561f0597a45b144f8e248754ab362c7b0aaa594c7d9300fc18d6c197eaa677a2f476cba1e8903649af61b01b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}