{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "103249",
    "entityType": "User",
    "nonce": "0xa80e20b7fd5b1c6c68de587706dd48fbb80dcfa1fb80eee1bd8b8bdcd070cf62",
    "signature": "0x8d3a6da20c6ae331ae6322d729c49662fd2559aded22fef5554a10c97b869ab800cfbb1a3e2ab50274afe3d7c07d15862b6df78091b80987dc14ea41f872d5c51b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}