{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0x0bc071b5c14bc0a61fd1779135e91cde0e513a1e564f5885ceeb375ef5c6061c",
    "signature": "0x7e939256f6d702b35f27bbe20438c11f79919465e8b97d71c4a02dc3fd5019cd3fea34e1d980e7d463d89e999d89bfe65dc49de550f1c350e5c12aa4ee7c3dc91c",
    "signer": "0x89d83Bb2BF0C1Ad6B0dB1DE16DA35a110Ae37a6C",
    "userId": "871535685"
  }
}