{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x39f7fb2bdca76825354237ca0f45e63018d6fa37330c9eff00c179251dc3b6a8",
    "signature": "0xd0b450b4d7538304addde292ae7a8973126e5e5b6ef09ad129f6bb7459e9d32324ef15f41e6ec63152df4067be550ddcf276482bd4bbe84602ea4bd0a4def6d91b",
    "signer": "0x94ED5751F64981fDd35c3f6F061067c03B95D72F",
    "userId": "63175258"
  }
}