{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x94ea1a8f92d163ba9be291d70e491af24df4a72f97568db8957f1b881dbcc1f3",
    "signature": "0x21a4d3fa036b5f3f5e78a3a2ced8cab8a8dd04cc06753bbc499171483cd73058618596751ed5323a1fcbddeecb738dfcc83dc26b6cbf1afccc67f6cebe7a2f651b",
    "signer": "0x92259EE201EFF2FF3e3be58B5285c3D61A058aD7",
    "userId": "888095035"
  }
}