{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965708335",
    "entityType": "User",
    "nonce": "0xfb30bd31243345525dc6f8ad74e9bf00007091d5c24b01bf23a38456255d47ee",
    "signature": "0x44ba812a8c430c36032e981e76b9b995954f4e3b1ef53db04f8910d16b88f7ff03dfed3b31f0460f116ea5493b3321e3631ce890e745fceaf5baefef26ed2a4d1c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}