{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb60c68f19f38bda6d6a2c9a1f568a6c9e91ad4597b4b77ea17cdd17483446e3d",
    "signature": "0x40ee435e9d94f11da53242c184f6c414b9d2f4dc71b5a985803d11e2634f7aa0053afcb8deccb2c1bacefc36d3e809b4085ffbf96df7671a9f5f32c80650a0f71b",
    "signer": "0xc82f67B39bC3C0b93a82445447e426f0F3553249",
    "userId": "361071605"
  }
}