{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0xfcb6677a3600253870c737edeb8cac39b5d1d479599c5e26ac347cab46d08904",
    "signature": "0x8213591b43c62a3af20995b358360d3a6eabec75bed439f7a1f9b5afc975b54f20641885ae539fae6f618d7da73205e58b10a3ff0611c4281b64c6d462cd2fc31b",
    "signer": "0x1A03dB80e576Ab52a1E1852ba81778ae8f8f3f95",
    "userId": "876735576"
  }
}