{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "929245947",
    "entityType": "User",
    "nonce": "0xe01b801bd7afe095d6da7a4b8243871d95c7505a373199ac922cf791c4adcb28",
    "signature": "0x52b43fa153ff731e9a84a8ea345136e48869a8e34be1a91f1099d8392d5b448935e03110d12ddd764777f9ac6e58212061e3192964b963a16eca4c97f24312851c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}