{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34242",
    "entityType": "User",
    "nonce": "0x66020eee3492c14442560ebce989434b4dd464ab5dfee74c3bf75b6149b31b1c",
    "signature": "0xf33ccf8558fc8dc4abbc0b372dc89911e9261495dba1293b74cc23e2c1ed60d915b72cb5c1769a5ceed5a1e7c4ab87a27e815f18bbd0bd5d74d1d0c72d001a4e1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}