{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179264467",
    "entityType": "User",
    "nonce": "0x52727521b54a9593914ea0c61b91ad5877bd9584de8344dc04434dff2d45b0e2",
    "signature": "0x0a6af607cadf96211d983697c1407fcbecf6740eac536b204c7c16da4de71edc1740a87fc4d1bc173272c36283e945b95f46fbb1535e42c004c4f84b0ed401091c",
    "signer": "0x884490CFa947bC5C5d41834F53666866b78D19d6",
    "userId": "475900419"
  }
}