{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "494638",
    "entityType": "User",
    "nonce": "0x36927ddfd1a02cdad11b70de40b934b857265aad0dcece07b9b0f9f197cf4307",
    "signature": "0xfc820c9163bc7708d3807603a3cbd66dd89368657c5102945c18edf29287ee7a373c4e796e39d8fcbd1bd7ee5468ec727768718f0336182a0eccf2ba010a0c0a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}