{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "223270106",
    "entityType": "User",
    "nonce": "0x1761d8676f55747fb013bb667d426c67f4147df9022a9d32ce3e1c27fe8d3a31",
    "signature": "0x602a884707b2477b17ae6867cd9bbb19db33f3fad25bbfa637cb621fa228255f39344f907c4acf54953330c2b7854e3c45a995b712485c687d95196184fc6e7d1c",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}