{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67576",
    "entityType": "User",
    "nonce": "0xabe531d321b6986e63799169cd075eb087078df7cd3206b65c9ded12aaf4e31a",
    "signature": "0xdac5f4ba69c9e3b2a180a022595a991bd87a2852f5e8b2826c5119d92898a2e230640dbbea735ef684fc6c0055bb20ba0a83b494cf2723aa8c50c25bd375ff631c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}