{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x68f60debf4e2e0071d9f52ce9bd582f40aba8a364a486ade6be5130f09825f15",
    "signature": "0x95d2cb3397e033fd888cfefcd71b7bb6e0cb52bc40dc8732bf5f2b71315142ee2dd45f2f680d7e217537809af60519f4e6d5ba998125c809c09ebeaadbc3d3f11b",
    "signer": "0xeCAa5e2f11Ff4dDD97251Dd86224f36193d82eae",
    "userId": "663264551"
  }
}