{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "381084983",
    "entityType": "User",
    "nonce": "0x7d9b52d5491f2087ffa7d8f24d1e244a47488d9f4e299922e12f3d59d01a776d",
    "signature": "0x519b9cdd87a75f140f804c8469097e6fe9854f3c1431a056325faeaab5958418319e01f43fadf496809ad82dc0291a85839b53924a7a30a44b2f30af347fc58a1b",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}