{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1622f6e754d955fe3b0f315187a9d588c16a2faf438d9b5fa68ca17140f6c762",
    "signature": "0x8c87a34311102395452f7e87e07243775e1173851ceb6f21d48351888aea08e1667bde740021b70cc7fee19111a61d6f6a4dafcbee5fba1180511d14ff3245921b",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}