{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0xb9a5ebe3ac6a9de62532edb7532f283674d9cc2fe4d010c7519a398b0307fc1c",
    "signature": "0xe7a06d8f44ee20680e5644bc3ef968037b932a2d1db6f4650e3676ff165eddd34cd37409472fd98f0f886599f6b7032709d4a91825b3cf8d92dce39d0a096b291b",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}