{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238516",
    "entityType": "User",
    "nonce": "0xbc854c1bd8cedcdc766dc690166a5d4a594f021adb8cfe5ea5fd9a341f577754",
    "signature": "0xc9dc8a68a9f0c25b1e20831fcd6606657ec9f575e32ea04f35e55ff76a3d297d1b2f690ccebe26ac97e202176e17fec9aec6a9a249d3fbc77959c0a368d297371c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}