{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29405",
    "entityType": "User",
    "nonce": "0x3f7d02c8cb3dccc43e4b911602aaaabbda07e448cf7eb9826b8dbe85b4a6a0f3",
    "signature": "0x76b56ca6a59b1b769599064524908db6079fd81787224dfcf43732a3fed1216b450a5de1f90835f516de0434482eceb8fba57d667140e7f8f279ac9938f446611c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}