{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42617",
    "entityType": "User",
    "nonce": "0x8273c2e8b48e93677d32a50231dd6f6487cd2edd16d01860639e6662c5e965f5",
    "signature": "0x2322f704006229bb687ca15a895811b663aa14be63ad0b7d80264924109d0df138fb30a8ebe9225272f6e7dae8e3702923c099c9f0f09ccf45617dc4764a06791c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}