{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173906",
    "entityType": "User",
    "nonce": "0x054ef1ac1222e4e4bf5a2556292223100e9596d46a44608418585334a37e8763",
    "signature": "0x698907f0ae8cac787bdceda10bf4e9d3d73d58619d499f396284bb811a94860a42ddce7499b48233850ba5ad7d670e60b4048a6b17637f00aa7097d76a02a9211c",
    "signer": "0xC2A9E3b7F06e60ef97DFB73522582B613021cf7A",
    "userId": "265825696"
  }
}