{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20583",
    "entityType": "User",
    "nonce": "0x717244ddf9607b6b89ebafd3a5bf53f7176ea7fb4afe375ec6fa89cd3b7cd123",
    "signature": "0x61047974ee0ad121a4ebde1f55a01ca5e411f9c10904792979be6a7328fd8095383537d0f4cc8fe09cb3626431f04f5de8ed900519709e3043482d58960609a11c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}