{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "945181225",
    "entityType": "User",
    "nonce": "0x9b26df6276fc08a47f499f8ecd643322fb05713fab7890c4fb63f49f87ff986f",
    "signature": "0x43ead46e69037a0c6b49af4a4237bde3dbcd867950f0bfb8ea54a571b919f32c4fb0df5226e6478f69dca0218ebd28b4e7dfc2bce3f8fadcff065abbc13fc43a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}