{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224693",
    "entityType": "User",
    "nonce": "0x8417bbf8026a8af4d62ffb7603c09a7387ec05f6873a8af62ba1795b54e4d974",
    "signature": "0x5bf1cf6a7fe978533bf70166a9aef97f70bee190600fe56c12df7d27dfd4c65a353fbf724097efa07cc4d4ee6d95bad772cb413e9c65e2d6038cf2c0651873c71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}