{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40986354",
    "entityType": "User",
    "nonce": "0xf512ecd1912f4ac392f45813511c0071f0f548b30b81b231ec827f2ca6ce0df1",
    "signature": "0x13121430cc2fee0ca2b8d3c7029cabccbcbaafee2067bedc3d924781335995b3141b77ac176e301606aee7ee80810e023f2c24217e722c974e222c27ffa876d31c",
    "signer": "0xcB2468C7b3ae5003F5cF086840845ACD850b05Cc",
    "userId": "20584910"
  }
}