{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60903",
    "entityType": "User",
    "nonce": "0x2c0a66f1a191fd1ef584c05d67e8001645038b0da4ebc7fd4c9304597c2647e2",
    "signature": "0x0d6b80079241bcc7e5f5104cd8899d24ab9f83157d129561e59c9575adae5f77650c15d241801864e57cc1a24c7599d20a1398f5ea6fe7322cd64c754602fe061b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}