{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54166466",
    "entityType": "User",
    "nonce": "0x99479b829ef1b6fbdeacd5d633cf9004aacc4298742bf18f6be8fe05246d5ef9",
    "signature": "0x6ef204d5def957a41ab3c22f392fbd3b485e9c52e6b8f735d65bd6edcd47803e58e52a104a0e5826b38a6b5f6dd6b31dd6654f10219e6d477b0824d2030a2df51c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}