{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "118493",
    "entityType": "User",
    "nonce": "0xac90bfa565b0c31fe26a67c024090f71f8a49cd50aab3aac0b4c7320ea8da1b5",
    "signature": "0xc4240aad02ac494676a776131e37fe29f3ed92fe2b1bcd087ea45fd9ae39a3f7076a1e9e0cf6aa7afbe9c827a30b3cb83ce1c92758a2ee12e9eb1ca74f3207e11b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}