{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "386997",
    "entityType": "User",
    "nonce": "0xd2a64c0bc0718ada2d7a813e414632355903f5a209b2fb9631b449d54464112e",
    "signature": "0x989732520ee408e387bb999d33b51340a6185d1d3cbce00fdc0d5bdebeb20cbc71c594bb324cf79ff5368a300f8c4cacaee3e86cb46b42846eff8a3df918082b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}