{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48239",
    "entityType": "User",
    "nonce": "0x3ebe614f49ce4a4345ae7018cf63cb09da48a3c28529712a91f8943537426073",
    "signature": "0x4dacef35357b786a8a461e766cc41b5485859f09277f30f01c68b6976f21a4721a2807c07aa6a3ab195479d52d1b71bb96bab968c47c1657eedc2417e9b96ca91c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}