{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106617",
    "entityType": "User",
    "nonce": "0x926f3d676e0a29f33fe1608056f6fa4ca5ec3f505a3e0e4b926296e8bb852f5a",
    "signature": "0x10a8eee06093aa5653e14f0b9cefa1c1fc1b05202db41a72f1c75f14df1e9d7904777e9a01b5e6d1e984d7317976989f8a71bd5f475cac9c4c74ba1190d4252f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}