{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110410",
    "entityType": "User",
    "nonce": "0x89a20c57f7439239c89a883db9b9c75477acf13b90dfa3d879c2d727337caeed",
    "signature": "0xe9f2ca4db3dcd7ee569b73246e74f33dbb6d33bdf9f9011dde03e9fe31b5a6975a827ef9f92780f1f3c3b2ab5318a4b1ccedf5bfdbcce3cd7a8cdc372ea8f87d1c",
    "signer": "0xbf8E9a2a34545D0Ff9d02769fD943A905c9560ea",
    "userId": "463333871"
  }
}