{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "116974",
    "entityType": "User",
    "nonce": "0xa1b8deae1cf8e643971f5e0c66003e25b78a2d502b5dc39a8969d0902c9b080f",
    "signature": "0x46a944756d7f5c6654bf40fea6980d2efcdb7138ac08fc4a7eac11b430c13e40024055ea85cddada5db0c9c9d17289426b17de893bc3d5a4dd7cb01eddfd003e1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}