{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1010276",
    "entityType": "User",
    "nonce": "0x74238ffc4098d2dfe0a7343ef9710746c0589a33723b12b82f2654af07b240ab",
    "signature": "0x105f281968a8c7f20bb6d8cd1f3db326516aa07d3492882c4519fc6677a4f0483ff35f6b296125f59c7341236e4562f7879b486ee83438ea49dd5531e72639e81c",
    "signer": "0x0A12991752297225e963f7A8114b3d183aae77Db",
    "userId": "969021050"
  }
}