{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120",
    "entityType": "User",
    "nonce": "0xf38320b55abea3d27adf1b504a73b7109cf2d7cb6e1258d115c919daa53187d0",
    "signature": "0x462b31fa01639f65c5f74719efba27306cb09d676a336ed8577c4171d1746aaa6c655b577149f00237907ce115f14ae384c9d0d509165b07c28882bdacba2f701c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}