{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xb075710551f145542c06279a8bf6bb52eb9704816ba51b4e4d50479af72a2095",
    "signature": "0x3301d79e3872c8988b8dfe5f1de11251095bdb49367ca3b2162380457498825b5f4377da8ab009bea23f165bd643b87678361bca6af560374a991761cf36d9281c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}