{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305838",
    "entityType": "User",
    "nonce": "0x38026943c3dd6e5d0eb376fd4895d30bdc6cd374255720462fbc8a75f3a5b03f",
    "signature": "0x168ecfbf96d8b0ac90ece4f8b843a851e0120a50f035ef03f2f895fe2df3217b43c024e84bcd653bd95b3375447c3f105ace4425c0ad6dfdeb280b56a0f46dab1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}