{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52779",
    "entityType": "User",
    "nonce": "0x7930c269d254316af6e219c35f5781564e8730c5394fe1a212771a4d9e07bc9a",
    "signature": "0x845adf0be83af077ff0e5cbf1bd3099cf250c6e442eb90ba90f0fd66fbb4871d7969ae15f5ea85737377fa6ccc7b6828492bf23195eddf395d4024b12d70d83d1c",
    "signer": "0x2F7db4C1AE3922aD0f32CEdED1870278dd17b64b",
    "userId": "467213409"
  }
}