{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x9696878f80a557bf02930c08a4479bc12e100cc8b45f7d25bb2cdc526a1c4dde",
    "signature": "0x6467e00b0729d72e302aff80c04294446a73df5e8a83a55e5a5aa568dad668840c4e6c5c43c15e551cda380b0654cb5f0c9ef0fb9e05653638e1d365bbe9b6f01c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}