{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2047015",
    "entityType": "User",
    "nonce": "0xe6f2e8e06ba224a9d0227903194bb3ce50c64c18ad1be911b35163682c327498",
    "signature": "0x3341908569c67325affc79090d2c977d65c6ecf29d82c3ed4af22e773501fd5601d98db921c4abd1ec7962dd27ddcabc64ff05d8ac9d6213ef06e208055b39161c",
    "signer": "0x9436FA87F6c8C3aa9e0F0fc7960566dEeB9e23d4",
    "userId": "220347726"
  }
}