{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0xe9e7c7d6c641f376dcd797babc3807fdc0a38e0825a5d4f4c46c5514e0bf2b09",
    "signature": "0x79ebfac828f50cd90fbb432a47986b1245d4c20a00affba12f1b993e804125ac2b4eeb89112c6a157ee7472d9416d068a9f3f39a71124be56eacb41420452f4b1b",
    "signer": "0x8b61B87EFfC875d065c2aeFDb0424BA7d522ce17",
    "userId": "723815891"
  }
}