{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "747882",
    "entityType": "User",
    "nonce": "0x0fce976ab2ac4a05b70620f8d57b126997312f5653ec9d9f7f5417e87463b73a",
    "signature": "0x1ad4332e535b5e6fbeba59777113809d5467581059557b0eb0b2ebb8a7625bfc31091a52c18782196da50168a61706943316ca1a269e1f62c87a5a124b64b0ea1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}