{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195560",
    "entityType": "User",
    "nonce": "0x83e341596314d0e57adabb6c3c5be52905b794b4f55cce836d235ff4dd1660e3",
    "signature": "0xf7c3d3ee7ce93a2e184a398cd348ecc9ef1c2f606effc559c8013a1075406b9a41838df8cb50ecf6f79801606c0c2c8af9e68e774ea54bffb21ebade890e33a71b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}