{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x1d83ad4a688ffa8749f562ddf9854220c86e69ea0ed844631eb57529df38d03b",
    "signature": "0x5cfc9d4580c2b202ae5dd229623c88a4132fdc3e026196373411134fa5d7c91445ce6b46472145135c54de7d1b3b1a81e7ce3babfc0dc9e535d4560a3136adb21b",
    "signer": "0xda96A17BA0D35C1921a9252fC5A4e1C7865f4e35",
    "userId": "421395845"
  }
}