{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0x396d6e51048889304e42d6fcb63f7caca01f6ff772c501a9cbd77a105f6a9dec",
    "signature": "0x4620c091fa01c8d651391a044a5097c2fa5a65f5352ea2fd652315059778bfef4f2aa3d301485044c5b53ecfb92f682c3f95f44e258e889d13475bfaa3aea3221b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}