{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0x8f622a0e23ea8d59b2c004f776ffdaba3e2466e40c12d64d08ca96a7a39e61a5",
    "signature": "0xa4807587bea0efb0c426f83317a7640e72de3e41c5176b2e8acdccb67f0866477cb7bedadc509047abd6d09d911ad4202d24194aa768cd911d6bc356e955d1a91c",
    "signer": "0xA38C1a79132B9e85Fca6727527bCad4D8Ed4cf3e",
    "userId": "521925534"
  }
}