{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94478703",
    "entityType": "User",
    "nonce": "0x9545a30dd6dc3c7dd14daff537d3d7b0896f43b9cf605d18e89664dd0e97e0c9",
    "signature": "0xad508cb88e7ff7446d45185870f4fb70a79c02d718d83864b3e9fa4c47075877735f7589a5b7e874341c00fe51417f7ccf11350ae8ea0a8d787cb7b7d68219e11b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}