{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x28801a859a5353b1c40478ab87cb7d52b62c2747fc8b93896fcfc63559487385",
    "signature": "0xabfe410824820b736b9d31c00ac4ca3925ddcc69c8b8b9d7f44c88797b4b649e20cd605657f2c60505277261320458081169785174f186d44c40a295440cb88c1c",
    "signer": "0x9D360ECE27645E249fbb45fC03AeF953A81031Dc",
    "userId": "579726392"
  }
}