{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106196",
    "entityType": "User",
    "nonce": "0x8bcf04a823b2c89e328eaa64c63834a66c4f7fbc8c6815d2e5f65c184a5e4274",
    "signature": "0x0b081d8553326a226f7ba98512d6cb504c53d3d65d2a7ab2343e26c883f9b47211d9dee9aa40fc5f139a333c8e8d26c3bcd83c1915afb1980f4e274622afc0241b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}