{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53827",
    "entityType": "User",
    "nonce": "0xad0b9ca1ef4b1458d8cc848884d82c287f48ac9efa276d737d96bc7c4235fe94",
    "signature": "0xb6ba1c181726ccacd16db9c8c334c4f30c8e740eeadfe6061614c55397deec412e58dc66ebb5d552f9a84c1b5171bdbc9faf1e351f32d5ad7c5df6307a5af86f1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}