{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17543",
    "entityType": "User",
    "nonce": "0x93c82d351104998b75b1a9c3e1382f0dd979e53fe2dd1f9c68aabf8b4ddda0fb",
    "signature": "0xe92eee3be2b4550808ac09535eadbaec26529ff1736cb26e1b17ce0612faa4501496d4f1e1b082e9491f769003087292fd3f8bfdf43965278452f0efd5d314161b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}