{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd36ea6b63c8e1f98a13cef7e26db25c23b58aa78b04cd6b5d773c5bcb603bbc9",
    "signature": "0x2c8815c2086ca497505253a764dce34bf156987cf09f97769378021e9e06ad662d91c02137f1ba1c251035b564f2392c749eca30c9d33eb4e8ff81bbf3932a891c",
    "signer": "0x86AF6e172e6cb256820FBA3d2109Fb24daa294d3",
    "userId": "423497533"
  }
}