{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xd59ca4874ad0110a5e18639b05d740ad2ed36df00b269b1882a573e91a9b09d8",
    "signature": "0x7dad848566f5df661ec38bc3b53ec3561f491b00be45e09315c159e373f2d0d9648c7c244c073a37d2e914a26dd24d05d21bbbfc0099473a224874fcd8419a9c1b",
    "signer": "0x2CD314789C9583D12b6F54862F9E2cf505880Ad9",
    "userId": "354640"
  }
}