{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "253228964",
    "entityType": "User",
    "nonce": "0xdf5863d5b410f9f5ad2262e431eabb79fd5c231e11799c17e8e39b42ea36e8ae",
    "signature": "0x6d0798a658ccb91cc81fa58f57c79d34251f5a4f056fcd0eba6f34aebc87507f6423c6c868e6feadd35abbe3a8b4c53cf12587d9e8a19394f0de1e05bc8736571c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}