{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29088079",
    "entityType": "User",
    "nonce": "0xb1e9b13ed5fbdd793fe86d485644ce866f359e1fb071707bc336308e41827543",
    "signature": "0xf886dbb9d2ec400b6660be423eb49c23afd4f9fb4e292024bfd380775cc8e3425d82fc9f0497e7025fa44e9ae8ff75c23d3de4b5588242eb51f57ea2f5f86dc21b",
    "signer": "0xa1F606584fdE30bB7d4BE2EbeC98A5F95E4559f4",
    "userId": "786922215"
  }
}