{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29239",
    "entityType": "User",
    "nonce": "0x374ceba6beafb9f841a460fbadbdca9c81555d1e464d9aa4a6e7f8dc66492206",
    "signature": "0xc0aa8ade3af61c19621503efd7745478e745543191cb7a89cc90c3493359968b7eeadcabeb97ce57570570a07ff10e33658cf10c31986f2eed151b8622540f471b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}