{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68720",
    "entityType": "User",
    "nonce": "0xb4bd52ecd566ea691f785574e030593a1167d584d8560668b152e20a2ffc8c54",
    "signature": "0x8d7d6f6a0210034ada237117c1c516d9be9b19b4a0a80ade043943b814f4cfb8782dbdf9a9eeab60c4be48c355e7921cdfc284198a6daa64d80b39d1ac54d8431c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}