{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0xf8aee8a29ee499e5f3dd222f76cdd017c39979cf2e51c41d06dcc6db2af41525",
    "signature": "0x98b8242fd68d876c0b5a36be73bb4a9ddd05c034604f8ee94284e48141e8fe647a1159315a908ba00d91310f4be718c6cef8ba37d3f6ebcb7217e1a10428014c1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}