{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925208878",
    "entityType": "User",
    "nonce": "0x796f57ac08ce7e14922946bf2baac0520e1709745733beeb5f09cb2835a06274",
    "signature": "0x0927bc8eb1d0d1bacd51f0c133a5b4acf0ee2f70bdb5d26cf833ebdad8ebe4775e19c82e5cd22492c588d7553c3cc10112c9a32cd1ca440cdaf96d2f6ac9e9f91c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}