{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4c1d0b5adb3128c9f7dcd4edc0fc3477d3c853d33619d62a793e9544e122156a",
    "signature": "0xec6914cb10d4099b75257bef14c0caca821d1c7bd3e8768ce3bbaa5851e27b685e8cc3286951906dad9b1f14e030dee591d0981add1601536709b030965f32d71b",
    "signer": "0xDeE213Ef77A0E14AFfF1Db9109c5F64CC5858BDe",
    "userId": "830538576"
  }
}