{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xa88823294e5519c69d14c2c91d76958e9ee5360ea049c42e1b03b649cbf15b04",
    "signature": "0x02d11b010abac4c97adb74def6b4b02a358066ad3b6a0e6fc3fa09f28d312bcf582b8c7995cee36a585f227d31d89e15dc25e6ec75bc8633445fd7f8e6ce25431b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}