{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "710666555",
    "entityType": "User",
    "nonce": "0xa19d65c96f71fd4025436b59eb8d23084d8685c0d7935c3f0a366e0c00bae263",
    "signature": "0x97867167d59215d162b7f4520fabcc5d61020a815d7b8ac4ae3f1aaa2a49f6857e605d34059d25505223be42c0456054c446c9cae71e98379e8a67d53f1cbce91b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}