{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178197",
    "entityType": "User",
    "nonce": "0xbbbcdfe264b5dfcd64a37832fa7108f4c0a62086c480f53f57f56da0caeb9164",
    "signature": "0xb193cb9f4e6278d9a79e7a1d20ddb49ca139c4fd0776469433a50fdfa4dde45e4a3f7fe9634b3cf0e6c157ff6fc173270116b32fe0899440ba4843eb8f6fee801c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}