{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "226153186",
    "entityType": "User",
    "nonce": "0x4c7194d97478613999aaed62379e8f473546dcc3557b7b3cefce39a828621230",
    "signature": "0x7852c20641139f8f237b73ace1daaae1cf7a95f24715ac6247bd4079b14c535578b632f349d54deac64a47ca150a6cffec6439460c6bf1373a7132a48d3001801c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}