{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "873014119",
    "entityType": "User",
    "nonce": "0x4fcb3c8f1072bc9c7448f30e6c387027788883731a92433baefcfd954e8f1d26",
    "signature": "0xea73293febde0e370512b0767339187ab8cce2c76f7ccc32c82bc8a09d5dab3667098da8a94582c641f028d1aebc98eeaf6cd5f9b17bf2aa840962fe33f616f61c",
    "signer": "0xA60fcA5dDC2f63444622C371FB2dD8F2D51d9398",
    "userId": "153833032"
  }
}