{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xa4fdc0ae6b6893e118dd1cc4e22a4c56c44e4ed3f58d6f4fdd50736ef8b45df5",
    "signature": "0x3d1cc115534ba15bdd977204c5166a52e5703f2d45211198802ef82c85cf8c70440b69784c6d8322b5b978268dc47f4ce5275e070cad100c41e58857dec872e11b",
    "signer": "0x8Bd0Fb3FB3c18B08689f1275f54A507aFd71B6b9",
    "userId": "959507505"
  }
}