{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297334",
    "entityType": "User",
    "nonce": "0x60ca7c2a68e8113466d695a4dad1ef0a5b02c66c1ac71cffd7e1021152f119c3",
    "signature": "0x0a01ef41eb1ce249b6b66da9538e32a1b302468ef5da0a56606edf42162a095c79a1add3b3bc25a27196b709f4dfe1881c2856216886f437ffbf3b010800eb901b",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}