{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129104",
    "entityType": "User",
    "nonce": "0x73b06f01c349d4fcb900fe1a29925ddcc0b3b57308cdce609449b257d0835cc4",
    "signature": "0x150949ec7209fb9b66cb3af94badb280262263b08d569e7f9c50f7a670c23b9b1b5ed837f333ffcf52f06fe77af7ffb3c2d6b3c11b7520541548585ed26274c01c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}