{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xd9517198acc43f39c237dc9ead541566f388388d3d523899a41ad447597eb637",
    "signature": "0xdaf9f55115355fa4a25d023b9ce9b62bfd2e5f6f14b1ba81af9f241fe163d717434ddae6c5785d11f00cb1628da42ec96078f9a9add9f2e960a5470eb25fd58a1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}