{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7788",
    "entityType": "User",
    "nonce": "0x61ff12e71030a9513058bfa7ab0f5522d5715644ff1446d76ae71de7d3b04241",
    "signature": "0x36e6c8f7a5e53e0c72661294d5f0d5a86eb4c9ef19a6b366a48159b424dc22f06c86385cfd48c2a9505171b9f643147155435f897f8ab8f91f98938105ed9fff1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}