{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125856948",
    "entityType": "User",
    "nonce": "0xa108718143a49a9be03a2dfc99aa6daf2cfc8e93ed0881b274989327e98dff03",
    "signature": "0x728d17e6d106fbbfb1ccfa24b3a681a69c55e255540c9c3945d074f5bfd2f0ce4734e12fba69d16ee3e66dd5e3b902c3138eae247a2bd81120a8ec45720374341b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}