{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111789",
    "entityType": "User",
    "nonce": "0xad3b9ff641533738ab844a1724e940584b76b1b0aaedad84aa49f249d920bb37",
    "signature": "0x2a5b0e50c727a89fe4c1c5adb7ac2e82ab1912a1c4d482faff4d8bcdbbac2f1d2cdbbf099d69f6ce8f0acf57a0cea07c311e7238eb6ded22e7f1a85ecc2a09651c",
    "signer": "0x88ad765B72fb060B3adbae1FA44A6C64722E1781",
    "userId": "236177"
  }
}