{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "474113241",
    "entityType": "User",
    "nonce": "0x947131387fbaa94e2693a1a42e3b3930cdf2f0e4a5f1a8721e914c9cc6dab09d",
    "signature": "0x83b01198d1343f8480a7fba60f000b2d8a97ece35f7b46a3c715d24ecc14c315259e4fadbc58516156d6ad5438e45c7e9f5fde0bb005e92479c484330f03809b1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}