{
  "manageEntity": {
    "action": "Follow",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x20047a508e9f9b36bd8ed87c2ebed34b905441cddef232a9cc0b445c2838d02c",
    "signature": "0xc433a907b743230084896fab309f75ca7896f5d989d274293ecf3749d45bda581f12a9b2c53d364822059e983b95dd347656c939b062169a6a08cc768fb8b5ef1c",
    "signer": "0x2894556dFf754e2CC414d20911061EED921C0C75",
    "userId": "426912480"
  }
}