{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75062",
    "entityType": "User",
    "nonce": "0x29c209e2f281d6846af9b2d37d28c7a8dfce9731f3c9f9f2a6f46fc0c47913cb",
    "signature": "0x931c3e6bece1713dc096e982e7f1f73e332b05960f9a8bc4a8b13e61f62d55e6607ceba25c4725aa33cf2066e6feaed5f48b4fab60c23085fa56b094d3e2a0301b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}