{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302620",
    "entityType": "User",
    "nonce": "0xd67b5d92923878cf76ed807ffbeb1b0ff608a71306126968cb18683a14a7996a",
    "signature": "0x3aebb183c82dc633bbffb2af918f2a99dd6bbd33dd281158b199802845a632ee72f4db79c84a36d1491c287e5fc028988c067debf9619d8455cc45d5c0f7a3661b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}