{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "565653503",
    "entityType": "User",
    "nonce": "0xa5d6011f80407039ea355a73447aa7ee4ffa5c30678df2773f6acae3c5c11efb",
    "signature": "0xda59fdc307b8a5f8bcfd2e7899c5e1ff1aaafc8dc2978904f36f07478165079e4ccb4e0e30cc31bbd836177a576a5bf69f239b250f28ffcb4c6708f4fd50541a1b",
    "signer": "0x05fC7F397A0Ef264c87B851B5C0E4336dEFaD23f",
    "userId": "483595670"
  }
}