{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67490",
    "entityType": "User",
    "nonce": "0xc812671bc01d367aa52d81d9551ee8ac0df4893c712e215e9b8c23fe4bab6804",
    "signature": "0xc2551d71aaad76e656772ccaa15a875ffcdc428963ce40c9e970793212488b1b1727a9a9beb17f0e67a5b08227fd343a29b8226cfc667c18974383616dec4c471c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}