{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593392725",
    "entityType": "User",
    "nonce": "0xe5e17ca164975c71b324b03c57c7f3986fd17351c9742c3a0657b159d6fd4f8c",
    "signature": "0xaa8a94e5263bb47b639f56c8a1be8bcd772116b5e9109573fb59c8da40c528be734f086a0e42a018cfee4a34d9046cee5112eba06ece1c780fb806611ea556de1c",
    "signer": "0x7Cd44Dc53B13eEA7335A000Ce36c05cDFE34b348",
    "userId": "355113"
  }
}