{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707265359",
    "entityType": "User",
    "nonce": "0xde0945dd0423d370e41d195eeaad82b3c3add464a9f221985921c64696f0d55c",
    "signature": "0x53a694b248bf5f791960589179dc24c81c460b23ca25781655dac856c6b77d000abe03ab254413ea2f5ef41cebd473aeb4f632584cd64f6617a0cc66ef59bf7f1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}