{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "488430169",
    "entityType": "User",
    "nonce": "0xf909ab5e7a5287f1ecb46da6ff0d359bbdb4d74ab711204eb12bc8c6b36b2e09",
    "signature": "0xfd82503d91cf6d9d06a0c24977d146cd29c343cc6b1eaf964502c762325f65cd4019b346e0b3b23dbc1441cf6619da310b46216ee9a476188931276c43aa61a91c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}