{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27445",
    "entityType": "User",
    "nonce": "0xa5d7df4996b0a35369f4d543a6f945a4dcddaf222c0be0fdf03d506c550d0224",
    "signature": "0xaa39d8e30becbe164af1c5d0a6a9520e85c72b27aff2c688947cabd961581e276e4e16b1b9ffae45309cda9ba5038029aa89f3f04ab7499d3ba6076ac2d608cf1c",
    "signer": "0x7425EdbFdF528603A88c658f4cf8B1396a8a77F5",
    "userId": "406225571"
  }
}