{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73867",
    "entityType": "User",
    "nonce": "0xa46f1eb9a6e9be7f3f03be337a7a85a2341ad70ee4726002a704cf0a440d5be5",
    "signature": "0x90369d3452861135fffdbcf563509aeb8db2ae31263df3ff9601d1980a8921ac50974923d2952fc049ccb38f9c6ba966de5e719895ed2b2c6b3560e52c6235bf1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}