{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x75247ef97870de01b58fca5b831a4470f7fe3fcffbd98f833d5b9fbb33ebd892",
    "signature": "0x122a646bfe2ddc9876dcbbb9cac1659fe33ba110c55df7d3f5bf1554e1f5148220982acc0e8a4eb8f2a3f3c7baeef0f7825e438e26d3fee1ea50829792d25b831c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}