{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "690805",
    "entityType": "User",
    "nonce": "0xc6951e705d1758704db7410e96732eb0e500b522289b64519be05edb9e054b08",
    "signature": "0x4466a7aa49dd47b9c2e2cf0b449fba59bf259413d244d80c4c92a4aeabb0ea091ea45f26e4e1673b5947f5b19e35ae0359f99a56ac9a9f032f20ad948e88f3af1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}