{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb4dadecdad4fc50ca1d9ce678ad67395b03d7bd7bf5db1073f18a73dff7c05a4",
    "signature": "0x29118df65100a1c9fe6349d7e5d348c75ea2f94135f30fe2fb9c0794dfcdb01d4028a66f9b2171599620cfe4da90c991f1befcdc9146b7363586c570cdef3c7e1b",
    "signer": "0x89e50e652f2C1608136D6958BBdF4813DebfB33b",
    "userId": "482857466"
  }
}