{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "760734",
    "entityType": "User",
    "nonce": "0xa288197fb2ef807bfe94a865677c071e080a13929e2528f9814c714b23754f3d",
    "signature": "0x5ecd72a8579989079266236b72393988908c1d8145968b0d4dc2b174046e39eb6dedfb5aa8e7ae3cb194e88d34ea3efcf4e0506d602698e71d266b59d83cabf01c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}