{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126",
    "entityType": "User",
    "nonce": "0x0d8c9fc7942926c57c9c319aa6c0fd7e702e35cb3c868711602c817d7cc0ebff",
    "signature": "0x5371c767447c83f64782d1cc2e4a4b4c6c038df15f6679696ed318cae80ce9c95ffa34b6293ff9fd453072ac3b635269d5daaa98b05ffd9339222f35a1420a991c",
    "signer": "0x157D6bED7bB7A5D2bA4DDd2353158798F8744aC7",
    "userId": "587027717"
  }
}