{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xd525659472cb75df74f7c11d2341cf6aa6535e7a1e73e175958812833ce93329",
    "signature": "0x4b396e7e13d7d7126ce8bfb17eb06fa5259beba9e16f00326941957b9bd53e8c04814f62b8a453887fdd18909bcf562b6e8ecb22d551b26d131fd1591f892c051c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}