{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "293499589",
    "entityType": "User",
    "nonce": "0xcb773e7562aaf2852db567b5256d53f3a1b503932a944849e13c50677c67618e",
    "signature": "0xc2e79fd3829eda1ea1bf58c845dc9b44eabf8f47f95b9e4e2e11ca6a989a887c5e10350683e73bb028c4b9016647eed82c8ad1de8840d0cb91fd9a459c6ee9711c",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}