{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357249",
    "entityType": "User",
    "nonce": "0x133cc5ebc98c2200d0bc60a1f4fce56c118fce842b279d88d864c1513903f806",
    "signature": "0x4565a9a9a8a6b37355ce7d6d6620b305be5fa8361c725f0e0521bbb7efbd912504d11839cf70019cf7aaac076d253d77b23768f3d863142790fc2beefe42b3e71b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}