{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x4a9618031de9641c62d978837d2c8776e214d0c659514185dda2c0c6ceb0e6b5",
    "signature": "0xe16be318f5cc50f8f016d1108bd229402ae5b05d2c4844c0f27b29fb05f5d8080f0ac9d7a41215ae3e59442bc523375fa093fa80c6b963786990fcb90992ef541c",
    "signer": "0xaa3bcf8712A3f5a178c83edE5e3DA745C257458e",
    "userId": "976266161"
  }
}