{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0xf71a119d746693dac4adf39d59b465ef0606445f20ac3f179d52852fbfe09f4b",
    "signature": "0xf593a664700a954f119ac38a0b62c20bbb654d98d90e9ed1d2f3208c7f8d2f2316997a0a3e66318bbf2588afb35402e9756ebee95ace7778b1ecdb9752d8617a1b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}