{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "753712",
    "entityType": "User",
    "nonce": "0x4ba9e2335a09c83282f87904f0fa3d1c67ccf2c3d25d20e702cbf2a17fba9f97",
    "signature": "0x41926e0090973e74ecc4d3d1dac3df04df448d937bbb587d910f2972d2297f784aebee090b506206138560ba975eab1af650d41a994922f8169758d1ba40abf71b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}