{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85784",
    "entityType": "User",
    "nonce": "0x725f0702a31161a2557a01d321476dc5c50f0fe8810cf5723409b9b43d9073ba",
    "signature": "0xd20af163a898a060ec7b0bac5eabd45e4c13a48877fce18847c3c35895911b8f6152bd791f9a0aab89baf1a5fa86732bfbc33799b76c4fa3dc1af539047273161c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}